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Income tax Dates

MAR 31

Final date for ratio option provisional tax applications.
APR 7

End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.
MAY 8

Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.

All Income tax dates

Before you start using AIM for provisional tax, you’ll need to find a provider of AIM-capable accounting software.

You can get AIM-capable accounting software from these providers:

To choose AIM, complete the set up in your software. The set up will include a step where we'll help you confirm if you're eligible to use AIM. You should not need to contact us.

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Income tax Dates

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